refactor media module

core/media/application/use-cases/UploadMediaUseCase.ts

@@ -12,8 +12,22 @@ import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorC
 import { Media } from '../../domain/entities/Media';
 import { v4 as uuidv4 } from 'uuid';
 
+// Define Multer file type locally since @types/multer is not available
+export interface MulterFile {
+  fieldname: string;
+  originalname: string;
+  encoding: string;
+  mimetype: string;
+  size: number;
+  buffer: Buffer;
+  stream: NodeJS.ReadableStream;
+  destination: string;
+  filename: string;
+  path: string;
+}
+
 export interface UploadMediaInput {
-  file: Express.Multer.File;
+  file: MulterFile;
   uploadedBy: string;
   metadata?: Record<string, any>;
 }
@@ -46,11 +60,14 @@ export class UploadMediaUseCase {
 
     try {
       // Upload file to storage service
-      const uploadResult = await this.mediaStorage.uploadMedia(input.file.buffer, {
+      const uploadOptions: { filename: string; mimeType: string; metadata?: Record<string, any> } = {
         filename: input.file.originalname,
         mimeType: input.file.mimetype,
-        metadata: input.metadata,
-      });
+      };
+      if (input.metadata !== undefined) {
+        uploadOptions.metadata = input.metadata;
+      }
+      const uploadResult = await this.mediaStorage.uploadMedia(input.file.buffer, uploadOptions);
 
       if (!uploadResult.success) {
         return Result.err({
@@ -86,10 +103,11 @@ export class UploadMediaUseCase {
       // Save to repository
       await this.mediaRepo.save(media);
 
-      this.output.present({
+      const result: UploadMediaResult = {
         mediaId,
         url: uploadResult.url,
-      });
+      };
+      this.output.present(result);
 
       this.logger.info('[UploadMediaUseCase] Media uploaded successfully', {
         mediaId,
@@ -99,8 +117,7 @@ export class UploadMediaUseCase {
       return Result.ok(undefined);
     } catch (error) {
       const err = error instanceof Error ? error : new Error(String(error));
-      this.logger.error('[UploadMediaUseCase] Error uploading media', {
-        error: err.message,
+      this.logger.error('[UploadMediaUseCase] Error uploading media', err, {
         filename: input.file.originalname,
       });